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March 7, 2026SHILAP Revista de lepidopterologíaOpen Access

Restoring sediment continuity in large regulated rivers: a 2D-informed 1D morphodynamic framework applied to the Hungarian Danube

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Authors

SBSándor Baranya

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Overview

Demonstrates a novel framework to assess sediment dynamics in the Hungarian Danube, suggesting improved management strategies.

Key Points

  • To develop a 2D-informed 1D morphodynamic framework for predicting sediment dynamics in large regulated rivers.
  • Parameterized a 1D morphodynamic framework using 2D hydrodynamic model outputs.
  • Applied the model to a 100-km segment of the Hungarian Danube.
  • Validated the model with water level measurements and bathymetric datasets.
  • Conducted long-term simulations and tested varying scenarios of channel width and sediment feeding.
  • Observed up to 5 m bed degradation in the region due to upstream activities.
  • Predicted 0.8 m riverbed incision over the next 30 years in active areas.
  • Widening scenario reduced incision by about 50%.
  • Sediment feeding showed localized benefits but limited downstream impact.

Cite This Study

Sándor Baranya (2026) studied this question.

synapsesocial.com/papers/69abc1235af8044f7a4e9bedhttps://doi.org/10.3389/fenvs.2026.1762248
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